CC400 Chipcon, CC400 Datasheet

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CC400

Manufacturer Part Number
CC400
Description
Single Chip High Performance RF Reansceiver
Manufacturer
Chipcon
Datasheet

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CC400
Single Chip High Performance RF Transceiver
Applications
• UHF wireless data transmitters and
• Wireless alarm and security systems
• 315 / 426 / 429 / 433 MHz ISM/SRD
• Point of sale terminals
Product Description
CC400
half-duplex,
designed for low power and low-voltage
wireless applications. The circuit is mainly
intended for the ISM (Industrial, Scientific
and Medical) frequency bands at 315, 418
and
programmed
frequency bands in the 300 - 500 MHz
range.
The main operating parameters of
can be programmed via a serial interface,
thus making
easy to use component. In a typical
system
microcontroller and a few external passive
components.
Features
• Single chip RF transceiver
• Frequency range 300 – 500 MHz
• High sensitivity (typical -112 dBm)
• Programmable output power up to 25
• Small size (SSOP-28 package)
• Low supply voltage (2.7 V to 3.3 V)
• Very few external components required
• FSK modulation
• Very low phase noise
• Data-rate up to 9.6 kbit/s
Chipcon reserves the right to make changes at any time without notice in order to improve design and supply the best
possible product.
Chipcon AS
receivers
band systems
mW (14 dBm)
433
is a single-chip high performance,
CC400
MHz,
CC400
will be used together with a
FSK,
for
but
operation
SmartRF
a very flexible and
UHF
can
TM
CC400
transceiver
easily
at
CC400
other
be
Datasheet (rev. 3.1) 2003-11-12
SmartRF
• Remote control systems
• Home security and automation
• Low power telemetry
• AMR – Automatic Meter Reading
• Environmental control
CC400
technology.
• Suitable for both narrow and wide band
• Suitable
• Frequency-Lock indicator
• Development kit available
• Easy-to-use software (SmartRF Studio)
systems
protocols
for generating the
data
is based on Chipcon’s SmartRF
for
frequency
®
CC400
CC400
configuration
Page 1 of 27
hopping
®

Related parts for CC400

CC400 Summary of contents

Page 1

... Environmental control CC400 is based on Chipcon’s SmartRF transceiver technology. easily be at other CC400 • Suitable for both narrow and wide band systems • Suitable protocols • Frequency-Lock indicator • Development kit available • Easy-to-use software (SmartRF Studio) for generating the data Datasheet (rev ...

Page 2

... Output from first amplifier in IF-chain (to external ceramic filter). The output impedance is 1.5 kΩ direct connection to an external ceramic filter is possible 28 IF_OUT 27 IF_IN 26 STROBE 25 PDATA 24 CLOCK 23 DIO 22 DVDD 21 DVDD 20 DGND 19 LOCK 18 DGND 17 AGND 16 XOSC_Q2 15 XOSC_Q1 Datasheet (rev. 3.1) 2003-11-12 ® CC400 Page ...

Page 3

... Datasheet (rev. 3.1) 2003-11-12 ® CC400 Condition Condition Programmable in steps of 250 Hz Manchester code is required. (9.6 kbit/s equals 19.2 kBaud using Manchester code) The frequency corresponding to the digital "0" is denoted f , while 0 f corresponds to a digital "1". ...

Page 4

... Parallel Datasheet (rev. 3.1) 2003-11-12 ® CC400 Condition Measured at a data rate of 1.2 kbit/s, 60 kHz IF and 20 kHz frequency separation with a bit -3 error rate better than 10 . For other settings see p.12. Depends on external components placement Receive mode, series equivalent. For matching details see “Input/ output matching” ...

Page 5

... Datasheet (rev. 3.1) 2003-11-12 ® CC400 Condition 10 kHz offset from carrier 100 kHz offset from carrier Loop filter kHz 10 kHz offset from carrier 100 kHz offset from carrier Loop filter kHz It is recommended to wait at least crystal oscillator start- ...

Page 6

... LC-tank with a varactor diode is required for the VCO. For flexibility the loop filter is external. For chip configuration wire digital serial interface (CONTROL). Datasheet (rev. 3.1) 2003-11-12 ® CC400 DIO CONTROL CLOCK, PDATA, STROBE 3 LOCK XOSC_Q2 OSC XOSC_Q1 CC400 . (PD), charge pump CC400 includes a 3- Page ...

Page 7

... PLL loop filter and the input/output matching circuit. Figure 2 shows the user interface of the CC400 be the configuration software. Datasheet (rev. 3.1) 2003-11-12 ® CC400 detection can be CC400 . In addition the Figure 2. SmartRF Studio user interface. Page ...

Page 8

... BIT S,min SC Datasheet (rev. 3.1) 2003-11-12 ® CC400 has been loaded, the Address last Data frame last (111) frame CL,min CH,min ...

Page 9

... The minimum time after the negative edge of STROBE before negative edge of CLOCK. ns The minimum time STROBE can be high. 100 ns The maximum rise time for CLOCK and STROBE 100 ns The maximum fall time for CLOCK and STROBE Datasheet (rev. 3.1) 2003-11-12 ® CC400 Conditions Page ...

Page 10

... The qualification of the data (decide whether the signal is “0” or “1”) can be based on comparing the number of 0’s with the number of 1’s. See Application Note AN008 “Oversampling and data decision for the CC400/CC900” for more details. PDATA CLOCK CC400 ...

Page 11

... VCO sensitivity should be 20 MHz/V. L91 and C93 is used to set the absolute range of the VCO. See Application Note AN012 “VCO fine-tuning CC400 and CC900” for more details. Additional filtering Additional ceramic IF-filter SAW-filter) may be used performance for specific applications ...

Page 12

... Application Note AN005 “Selecting system parameters and system configurations using CC400 information on narrow band systems. Datasheet (rev. 3.1) 2003-11-12 ® CC400 CC400 -112 dBm -107 dBm -108 dBm -110 dBm -105 dBm -103 dBm -107 dBm -104 dBm -100 dBm ...

Page 13

... AVDD C61 L61 L51 C51 RF_IN RF_OUT Datasheet (rev. 3.1) 2003-11-12 ® CC400 typical current Current (mA parasitics. Matching Application Note AN013 CC400 CC900” for more CC400 Page ...

Page 14

... XTAL C151 C161 Datasheet (rev. 3.1) 2003-11-12 ® CC400 f = 433.92 MHz C52=15 pF C53=22 pF L52=8 4.5 pF. A trimming are given in table 3. L accuracy in ...

Page 15

... Table 3. Crystal oscillator component values. Loop filter The loop filter is a lead-lag type of filter. The calculations for the components are done in the SmartRF Studio software. See Application Note AN012 “VCO fine tuning for CC400 and CC900” for more Blocking ...

Page 16

... The antenna should be connected as close as possible to the IC. If the antenna is located away from the input pin the antenna should be matched to the feeding transmission line. See Application Note helical AN003 “Antennas” for more details. Datasheet (rev. 3.1) 2003-11-12 ® CC400 L = 7125 / f Page ...

Page 17

... Typical bandwidth is 30 kHz. Due to the high Q of such a filter, a better selectivity can be achieved. See Application Note AN005 “Selecting system parameters and system configurations using CC400 / CC900” for more details. High reliability systems Using a SAW filter as a preselector will improve the communication reliability in harsh environments by reducing the probability of blocking ...

Page 18

... Data not valid Data valid 30 bit periodes kept on for about 5 bit periods. At t=t from the received data is valid and precharging is turned off. When not using precharging, data is not valid until 30 bit periods, at t=t Datasheet (rev. 3.1) 2003-11-12 ® CC400 at least 5 bit periods. Data valid Time t3 the 2 ...

Page 19

... The CC400DB reference available from Chipcon’s web site, and should be used as a guideline for PCB layout. Datasheet (rev. 3.1) 2003-11-12 CC400 pins and DVDD should be the two ground design ...

Page 20

... A complete description of the registers is given in the following tables. Description Main control register General control register General control register General control register General control register General control register General control register General control register Datasheet (rev. 3.1) 2003-11-12 ® CC400 Page ...

Page 21

... I =1.40mA =1.87mA (nominal setting =2.81mA 0 10 MIXER bias current and gain 00 = 0.36mA 01 = 0.54mA 10 = 0.72mA (nominal setting 1.08mA 10 LO drive (peak-differential = peak-peak single-ended 144mV 01 = 288mV 10 = 432mV (nominal setting 720mV Datasheet (rev. 3.1) 2003-11-12 ® CC400 Page ...

Page 22

... Negative K must be 2’s complement Default Active Description value 0 PLL Lock-Window tolerance 0 = 21ns (Normal setting 44ns - Lock mode (Lock is reset when PLL is reprogrammed Single shot 1 = Continuous - Lock detection enable 0 = Lock detection enabled 1 = Lock detection disabled (LOCK=1) Datasheet (rev. 3.1) 2003-11-12 ® CC400 Page ...

Page 23

... PA capacitor array activation Capacitor array active in RX mode 1 = Capacitor array active in TX mode - PA buffer amplifier drive level 00 = 3mA 01 = 5mA 10 = 8mA 11 = 11mA Datasheet (rev. 3.1) 2003-11-12 ® CC400 Page ...

Page 24

... Demodulator data filter cut-off (low pass) 000 = 5.8kHz 001 = 9.3kHz 010 = 13.9kHz 011 = 19.9kHz 100 = 28.0kHz 101 = 36.2kHz 110 = 64.8kHz 111 = 134.2kHz 0 Demodulator datafilter AC coupling time constant (Precharge Normal/high time constant 1 = Low time constant (precharge) Datasheet (rev. 3.1) 2003-11-12 ® CC400 Page ...

Page 25

... Test mode - Quadrature detector output level 0 = VDD (normal setting Reduced amplitude (VDD/ and demodulator Power Down (overrided by global power down and demodulator active (if PD=0 and RxTx=0). Normal setting and demodulator power down Datasheet (rev. 3.1) 2003-11-12 ® CC400 Page ...

Page 26

... Recommended soldering profile is according to CECC 00 802, Edition 3 Plastic Tube Specification SSOP 5.3mm (.208”) antistatic tube. Package Tube Width SSOP 28 TM Chipcon AS SmartRF CC400 SmartRF Tube Specification Tube Height Tube Length 10 20” Datasheet (rev. 3.1) 2003-11-12 ® CC400 Units per Tube 47 Page ...

Page 27

... Tape and Reel Specification Component Hole Reel Pitch Pitch Diameter Description Single Chip RF Transceiver CC400 Development Kit CC400 Sample Kit ( 5 pcs.) (information about RF-IC products) (support on our standard products) Datasheet (rev. 3.1) 2003-11-12 ® CC400 Units per Reel 13” 2000 Page ...

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